You have to subtract 5/8 from 11/2. then you will get the answer if you put it in a calculator.
        
             
        
        
        
It is A due to the fact that the over all angle is 90 degrease. 
 
        
                    
             
        
        
        
Sum of a number, n and 21...." the sum " means add
n + 21
if n = 8
8 + 21 = 29....the sum is 29
        
                    
             
        
        
        
Yes I think so I apologize if not
        
             
        
        
        
Answer:
um im pretty sure y = -15 and x = -17 but im pretty sure i did that wrong too lol sorry if it is wront 
Step-by-step explanation: